Table 3.

Annual incremental healthcare costs associated with exudative AMD in USD

Costs	Observed differences	Ordinary least square	Generalized linear model
Total costs	+ 2880	+ 5519	+ 3699
Pre-diagnosis costs	+ 50	+ 79	+ 56
AMD treatment costs	+ 3078	N/Aa	N/Aa
Ophthalmology costs	+ 2988	+ 7419	+ 3010
Non-ophthalmology costs	−288	+ 42	−39

AMD, age-related macular degeneration; N/A, not applicable; USD, United States Dollar

^aNot applicable because AMD treatment costs are totally zero in non-AMD group